Home / 40,330.70-60,508.20-28,666.70

Finding the Fourth Proportional to 40,330.70, 60,508.20 and 28,666.70

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Solution

The fourth proportional to 40,330.70, 60,508.20 and 28,666.70 is: 43,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.70 : 60,508.20 = 28,666.70 : x
  2. Step 2: Convert to fraction form
    40,330.70/60,508.20 = 28,666.70/x
  3. Step 3: Cross multiply
    40,330.70x = 60,508.20 × 28,666.70
  4. Step 4: Simplify right side
    40,330.70x = 1,734,570,416.94
  5. Step 5: Solve for x
    x = 1,734,570,416.94/40,330.70
  6. Step 6: Final answer
    x = 43,008.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.